Crystal Gems

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Roman Glass Gem with Lion Attacking a Bull: 2nd-3rd century A.D. With intaglio scene of a lion attacking a bull; supplied with a museum-quality impression. 1.06 grams, 15.51 mm (5/8 in.). [No Reserve] From the private collection of a European g

2026

Roman Glass Gem with Lion Attacking a Bull

TimeLine Auctions Ltd.Harwich, Essex

Loose Diamond - CUSHION BRILLIANT 10.51ct H VS2: Loose Diamond - CUSHION BRILLIANT 10.51ct H VS2 Source: This is a real non-mined Diamond that has been grown in a lab Shape: CUSHION BRILLIANT Carats: 10.51 Color: H Clarity: VS2 Certification: IGI Vi

2026

Loose Diamond - CUSHION BRILLIANT 10.51ct H VS2

Mynt AuctionsNew York, NY

MIXED MINERAL SPECIMEN ROCK STONE LAPIDARY SPECIMEN: MIXED MINERAL SPECIMEN ROCK STONE LAPIDARY SPECIMEN

2026

MIXED MINERAL SPECIMEN ROCK STONE LAPIDARY SPECIMEN

Col. Christie Hatman AuctioneersThayer, MO

NEPHRITE JADE ROCK STONE LAPIDARY SPECIMEN: NEPHRITE JADE ROCK STONE LAPIDARY SPECIMEN

2026

NEPHRITE JADE ROCK STONE LAPIDARY SPECIMEN

Col. Christie Hatman AuctioneersThayer, MO

WIRE-WRAPPED RAINBOW GEM PENDANTS: WIRE-WRAPPED RAINBOW GEM PENDANTS

2026

WIRE-WRAPPED RAINBOW GEM PENDANTS

Col. Christie Hatman AuctioneersThayer, MO

GEM RHODONITE 1760 CARATS ROCK STONE LAPIDARY SPECIMEN: GEM RHODONITE 1760 CARATS ROCK STONE LAPIDARY SPECIMEN

2026

GEM RHODONITE 1760 CARATS ROCK STONE LAPIDARY SPECIMEN

Col. Christie Hatman AuctioneersThayer, MO

28.33ct Natural Mauritania Ruby Rough (Unheated), 75XA: This unheated Mauritania ruby rough is a captivating natural crystal specimen, featuring vivid magenta-purple ruby formations embedded in a contrasting greyish matrix. The stone's rugged, unpolished s

2026

28.33ct Natural Mauritania Ruby Rough (Unheated), 75XA

ThousandPlanetSathorn, Bangkok

35.90 Carats Winton Boulder Opal Rough Specimen - Natural Queensland Origin, LZ96: This striking Winton boulder opal rough is a dramatic example of Australian boulder opal's raw beauty. The polished face reveals a broad, vibrant sheet of opal glowing with intense, saturated hues of

2026

35.90 Carats Winton Boulder Opal Rough Specimen - Natural Queensland Origin, LZ96

ThousandPlanetSathorn, Bangkok

24.78ct Natural Mauritania Ruby Rough (Unheated), 57XA: This unheated Mauritania ruby rough is a captivating natural crystal specimen, featuring vivid magenta-purple ruby formations embedded in a contrasting greyish matrix. The stone's rough, unpolished su

2026

24.78ct Natural Mauritania Ruby Rough (Unheated), 57XA

ThousandPlanetSathorn, Bangkok

30.75ct Natural Mauritania Ruby Rough (Unheated), 85AM: This unheated Mauritania ruby rough is a striking natural crystal specimen, featuring a rich, saturated magenta hue with subtle purple undertones that deepen toward the core. The rough's rugged, natur

2026

30.75ct Natural Mauritania Ruby Rough (Unheated), 85AM

ThousandPlanetSathorn, Bangkok

Natural Australian Lightning Ridge Opal Rough, 60g, 86WS: This collection of raw opal rough hails from Australia's legendary Lightning Ridge, showcasing the region's iconic play-of-color potential. The stones exhibit a range of natural hues, from milky white

2026

Natural Australian Lightning Ridge Opal Rough, 60g, 86WS

ThousandPlanetSathorn, Bangkok

Natural Australian Lightning Ridge Opal Rough, 59g, 98WS: This collection of raw opal rough hails from Australia's legendary Lightning Ridge, showcasing the region's iconic play-of-color potential. The stones exhibit a range of natural hues, from milky white

2026

Natural Australian Lightning Ridge Opal Rough, 59g, 98WS

ThousandPlanetSathorn, Bangkok

24.70ct Natural Mauritania Ruby Rough (Unheated), 85XA: This unheated Mauritania ruby rough is a striking natural crystal specimen, featuring a rich, saturated magenta hue with subtle purple undertones that deepen toward the core. The rough's rugged, natur

2026

24.70ct Natural Mauritania Ruby Rough (Unheated), 85XA

ThousandPlanetSathorn, Bangkok

Natural Australian Lightning Ridge Opal Rough, 73g, 88WS: This collection of raw opal rough hails from Australia's legendary Lightning Ridge, showcasing the region's iconic play-of-color potential. The stones exhibit a range of natural hues, from milky white

2026

Natural Australian Lightning Ridge Opal Rough, 73g, 88WS

ThousandPlanetSathorn, Bangkok

19.13 Carats Welo Opal Cabochon Parcel - Natural Ethiopian Stones, 48XA: This luminous collection of Welo opals showcases a rich spectrum of warm and cool translucent body tones, from milky white and soft cream to honey and golden amber, each adorned with vivid, shifting c

2026

19.13 Carats Welo Opal Cabochon Parcel - Natural Ethiopian Stones, 48XA

ThousandPlanetSathorn, Bangkok

1660Ct Natural Type A Burmese Jadeite Jade Rough Stone - Green Raw Material, 19ZB: Natural Type A Burmese jadeite rough stone, displaying a deep dark green base with intricate light green and brown veining patterns across its smooth, weathered surface. The stone retains its natural,

2026

1660Ct Natural Type A Burmese Jadeite Jade Rough Stone - Green Raw Material, 19ZB

ThousandPlanetSathorn, Bangkok

18.17ct Natural Mauritania Ruby Rough (Unheated), 93AM: This unheated Mauritania ruby rough is a striking natural crystal specimen, featuring a rich, saturated magenta hue with subtle purple undertones that deepen toward the core. The rough's rugged, natur

2026

18.17ct Natural Mauritania Ruby Rough (Unheated), 93AM

ThousandPlanetSathorn, Bangkok

14.53ct Natural Mauritania Ruby Rough (Unheated), 83XA: This unheated Mauritania ruby rough is a striking natural crystal specimen, featuring a rich, saturated magenta hue with subtle purple undertones that deepen toward the core. The rough's rugged, natur

2026

14.53ct Natural Mauritania Ruby Rough (Unheated), 83XA

ThousandPlanetSathorn, Bangkok

16.80 Carats Matrix Boulder Opal Triangular Cabochon - Natural Australian Stone, 16XC: This striking matrix boulder opal cabochon, measuring 23.9 x 17.6 x 5.6 mm, is a dramatic display of natural geological artistry. Polished into a bold triangular shape, the stone features an intricate

2026

16.80 Carats Matrix Boulder Opal Triangular Cabochon - Natural Australian Stone, 16XC

ThousandPlanetSathorn, Bangkok

Natural Australian Lightning Ridge Opal Rough, 39g, 91WS: This collection of raw opal rough hails from Australia's legendary Lightning Ridge, showcasing the region's iconic play-of-color potential. The stones exhibit a range of natural hues, from milky white

2026

Natural Australian Lightning Ridge Opal Rough, 39g, 91WS

ThousandPlanetSathorn, Bangkok

38.35 Carats Winton Boulder Opal Rough Specimen - Natural Queensland Origin, LZ92: This striking Winton boulder opal rough showcases the dramatic beauty of Australian boulder opal. The polished face reveals a broad sheet of opal glowing with shifting hues of deep cobalt blue, electr

2026

38.35 Carats Winton Boulder Opal Rough Specimen - Natural Queensland Origin, LZ92

ThousandPlanetSathorn, Bangkok

Natural Australian Lightning Ridge Opal Rough, 47g, 100WS: This collection of raw opal rough hails from Australia's legendary Lightning Ridge, showcasing the region's iconic play-of-color potential. The stones exhibit a range of natural hues, from milky white

2026

Natural Australian Lightning Ridge Opal Rough, 47g, 100WS

ThousandPlanetSathorn, Bangkok

0.87 Carats Soft Mint Peruvian Paraiba Opal Triangle - Natural Stone, 87XY: This singular triangle-cut Peruvian Paraiba opal, measuring 11.6 x 6.7 x 3.6 mm, displays a serene, soft mint-blue hue reminiscent of shallow tropical waters and misty dawn skies. Its geometric triang

2026

0.87 Carats Soft Mint Peruvian Paraiba Opal Triangle - Natural Stone, 87XY

ThousandPlanetSathorn, Bangkok

16.18 Carats Welo Opal Cabochon Parcel - Natural Ethiopian Stones, 54XA: This luminous collection of Welo opals showcases a rich spectrum of translucent body tones, from milky white and soft cream to warm honey and golden amber, each adorned with vivid, shifting color play

2026

16.18 Carats Welo Opal Cabochon Parcel - Natural Ethiopian Stones, 54XA

ThousandPlanetSathorn, Bangkok

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Tri-color Fused Wave Bands 18kt gold 12426 *v

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1.55ct.Natural Green Chrysoberyl Cats Eye Diamonds Ring 14 Karat 41974 *v

Gems & Glamour: Fine Jewelry & Stones Auction

Ends from:

New York, NY, US

T.W. Poulsen, Denmark Farm, Oil Painting, 1888:

18 KT Gold Multicolor Gemstone and Sapphire Bracelet

Ervin Hoskie Navajo Sterling Silver Necklace and Earring Set

Gems, Gold & Designer Collections

Olivers Auction LLC

Ends from:

Belton, SC, US

Regal White Horse and Golden Carriage Trinket Box

Emerald Cut Blue Iolite Sterling Silver Ring

Set of 6 Murano Murrine Goto Glasses

1200+ Gallery, Gems & Collectibles

Weatherham Estate Treasures

Starts on:

Cobourg, ON, CA

7 days Left

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